April 18, 2017. 1  Deadline to file individual tax returns (Form 1040, 1040A, or 1040EZ) for the year 2016 or to request an automatic extension (Form 4868). 2  Last day to make a contribution to traditional IRA, Roth IRA, Health Savings Account, SEP-IRA or solo 401(k) for the 2016 tax year.
However, if an advanced drug test is ordered, fentanyl is easily detected through urine, hair, saliva, and blood tests. Fentanyl can be detected in urine for eight to 24 hours, in blood for up to 12 hours, in saliva for one to three days, and in hair for up to 90 days.
It can take approximately 20 to 27 hours for the blood concentration of Fentanyl patch to be decreased by 50% once the patch is removed. Therefore, it could possibly take 48 to 72 hours for the body to completely eliminate Fentanyl from the blood stream.